<template>
  <div class="App">
    <h3 class="text">App组件</h3>
    <h4>时间都去哪了</h4>
    <Show />
  </div>
</template>

<script>
import Show from '@/components/Show'
export default {
  name:"App",
  components:{
    Show
  }
}
</script>

<style scoped>
  .App{
    background-color: aqua;
  }
  .text{
    color: red;
  }
  .App >>> .text{
    color: red;
  }
</style>